/Engine/Plugins/Experimental/GeometryScripting/Source/GeometryScriptingCore/Public/GeometryScript/MeshPolygroupFunctions.h
Copies the triangle PolyGroup assignments from one layer on the Target Mesh to another. Note, this will have no effect if PolyGroups have not been enabled on the mesh, or if one of the requested Group Layers does not exist.
static [UDynamicMesh](API\Runtime\GeometryFramework\UDynamicMesh) * CopyPolygroupsLayer ( [UDynamicMesh](API\Runtime\GeometryFramework\UDynamicMesh) * TargetMesh, [FGeometryScriptGroupLayer](API\Plugins\GeometryScriptingCore\GeometryScript\FGeometryScriptGroupLayer) FromGroupLayer, [FGeometryScriptGroupLayer](API\Plugins\GeometryScriptingCore\GeometryScript\FGeometryScriptGroupLayer) ToGroupLayer, [UGeometryScriptDebug](API\Plugins\GeometryScriptingCore\GeometryScript\UGeometryScriptDebug) * Debug )